Remove typescript-plugin-css-modules

[robertbrignull]

This PR removes typescript-plugin-css-modules, with the end goal of removing our transitive dependency on stylus. Unfortunately the stylus package was found to contain malicious code so it has been wiped and version 0.62.0 that we depended on no longer exists.

As far as I can tell, the typescript-plugin-css-modules package was only giving us extra type information in the IDE and doesn't contribute to actual compilation or error checking at compile time. So maybe we can just do without this until we find a replacement.

[Copilot]

Pull Request Overview

This PR removes the typescript-plugin-css-modules dependency and its configuration to eliminate a transitive dependency on the problematic stylus package, which has been wiped from npm and is no longer available.

• Removes the TypeScript plugin configuration from the tsconfig.json file
• Removes the typescript-plugin-css-modules package dependency from package.json

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
extensions/ql-vscode/src/view/tsconfig.json	Removes the TypeScript plugin configuration for css-modules
extensions/ql-vscode/package.json	Removes the typescript-plugin-css-modules dependency

Files not reviewed (1)

• extensions/ql-vscode/package-lock.json: Language not supported

[robertbrignull]

Looks like we won't need this. The flagging of stylus might have been an error and will be rolled back, or if we do still need to work around stylus then we'll use a npm package override instead.